Ice Harbor Circuit Breaker Installation
Ice Harbor Switchyard - Walla Walla, WA
Disconnected and removed seven 115 kV oil circuit breakers, and replaced with seven 121 kV SF6 circuit breakers.
NAES Power Contractors provided labor, supervision and equipment under an engineering, procurement, and construction (EPC) contract.
- Engineering services
- Replaced control, power and signal cabling
- Disposed of existing circuit breakers and breaker oil
- Installed and gassed new breakers
- Testing and commissioning
- Operational training